Rank	Countries/Territories	Count	Percent
1	United States	281	30.9%
2	China	274	30.2%
3	United Kingdom	52	5.7%
4	Germany	39	4.3%
5	India	25	2.8%
6	Japan	21	2.3%
7	Netherlands	17	1.9%
8	Malaysia	15	1.7%
9	Ireland	12	1.3%
10	Switzerland	11	1.2%
11	France	10	1.1%
12	Iraq	9	1%
13	Singapore	9	1%
14	Ethiopia	8	0.9%
15	Brazil	8	0.9%
16	Egypt	7	0.8%
17	Iran, Islamic Republic of	7	0.8%
18	Pakistan	7	0.8%
19	Nigeria	6	0.7%
20	Canada	6	0.7%
21	Slovenia	6	0.7%
22	South Africa	5	0.6%
23	Spain	5	0.6%
24	Syrian Arab Republic	5	0.6%
25	Thailand	5	0.6%
26	Denmark	5	0.6%
27	Russia	5	0.6%
28	Hong Kong	5	0.6%
29	Korea, Republic of	5	0.6%
30	Cyprus	4	0.4%
31	Zambia	4	0.4%
32	Mexico	3	0.3%
33	Sweden	3	0.3%
34	Turkey	3	0.3%
35	Australia	3	0.3%
36	Serbia	2	0.2%
37	Philippines	2	0.2%
38	Poland	1	0.1%
39	Romania	1	0.1%
40	Palestine, State of	1	0.1%
41	Mauritius	1	0.1%
42	Jordan	1	0.1%
43	Bangladesh	1	0.1%
44	Burkina Faso	1	0.1%
45	Argentina	1	0.1%
46	Ghana	1	0.1%
47	Uganda	1	0.1%
48	Ukraine	1	0.1%
49	Taiwan	1	0.1%
50	Tanzania, United Republic of	1	0.1%
51	Suriname	1	0.1%